12. How does intrauterine insemination help to treat infertility?

A. Tissue growth outside the uterus is removed and inserted inside to promote attachment.
B. Millions of sperm are put into a woman's uterus right around the time of ovulation.
C. A woman's egg is fertilized by a man's sperm in a lab dish, after which the embryo is put into the woman's uterus.
D. Nasal decongestants are used to help prevent retrograde ejaculation.

13. A patient has survived breast cancer but later develops a secondary cancer. What might have caused this?

A. Systemic cancer therapy destroyed enough copies of her RB1 gene to cause loss of heterozygosity and therefore retinoblastoma.
B. Chemotherapy as a treatment for the first cancer caused an excess of side effects, causing stress in the patient and therefore a likelihood of developing secondary cancer.
C. Radiation therapy used may have damaged the DNA of other healthy cells in her body, causing the formation of secondary cancer.
D. Surgery to remove the initial malignant tumor was not able to mitigate the effects of paraneoplastic syndrome, causing secondary cancer.

14. Match the following types of necrosis with the affected tissue's appearance: gel-like, cottage cheese-like, liquid-like.

A. Caseous, coagulation, liquefactive
B. Coagulation, caseous, liquefactive
C. Liquefactive, coagulation, caseous
D. Coagulation, liquefactive, caseous

15. Which correctly explains the differences between the intrinsic and extrinsic clotting pathways?

A. The intrinsic clotting pathway clots blood in the blood vessels, using many clotting factors. The extrinsic clotting pathway clots blood in the tissues outside the blood vessels, using one clotting factor.
B. The intrinsic clotting pathway clots blood in the blood vessels, using one clotting factor. The extrinsic clotting pathway clots blood in the tissues outside the blood vessels, using many clotting factors.
C. The intrinsic clotting pathway clots blood in the tissues outside the blood vessels, using one clotting factor. The extrinsic clotting pathway clots blood in the blood vessels, using many clotting factors.
D. The intrinsic clotting pathway clots blood in the tissues outside the blood vessels, using many clotting factors. The extrinsic clotting pathway clots blood inside the blood vessels, using one clotting factor.

Question

28-04-2025
Biology

High School

12. How does intrauterine insemination help to treat infertility?

A. Tissue growth outside the uterus is removed and inserted inside to promote attachment.
B. Millions of sperm are put into a woman's uterus right around the time of ovulation.
C. A woman's egg is fertilized by a man's sperm in a lab dish, after which the embryo is put into the woman's uterus.
D. Nasal decongestants are used to help prevent retrograde ejaculation.

13. A patient has survived breast cancer but later develops a secondary cancer. What might have caused this?

A. Systemic cancer therapy destroyed enough copies of her RB1 gene to cause loss of heterozygosity and therefore retinoblastoma.
B. Chemotherapy as a treatment for the first cancer caused an excess of side effects, causing stress in the patient and therefore a likelihood of developing secondary cancer.
C. Radiation therapy used may have damaged the DNA of other healthy cells in her body, causing the formation of secondary cancer.
D. Surgery to remove the initial malignant tumor was not able to mitigate the effects of paraneoplastic syndrome, causing secondary cancer.

14. Match the following types of necrosis with the affected tissue's appearance: gel-like, cottage cheese-like, liquid-like.

A. Caseous, coagulation, liquefactive
B. Coagulation, caseous, liquefactive
C. Liquefactive, coagulation, caseous
D. Coagulation, liquefactive, caseous

15. Which correctly explains the differences between the intrinsic and extrinsic clotting pathways?

A. The intrinsic clotting pathway clots blood in the blood vessels, using many clotting factors. The extrinsic clotting pathway clots blood in the tissues outside the blood vessels, using one clotting factor.
B. The intrinsic clotting pathway clots blood in the blood vessels, using one clotting factor. The extrinsic clotting pathway clots blood in the tissues outside the blood vessels, using many clotting factors.
C. The intrinsic clotting pathway clots blood in the tissues outside the blood vessels, using one clotting factor. The extrinsic clotting pathway clots blood in the blood vessels, using many clotting factors.
D. The intrinsic clotting pathway clots blood in the tissues outside the blood vessels, using many clotting factors. The extrinsic clotting pathway clots blood inside the blood vessels, using one clotting factor.

Answer :

Final answer:

Intrauterine insemination (IUI) is a fertility treatment that helps to treat infertility by increasing the chances of fertilization. It involves placing sperm directly into a woman's uterus, bypassing potential barriers, and increasing the chances of sperm reaching the fallopian tubes where fertilization occurs.

Explanation:

Intrauterine insemination (IUI) is a fertility treatment that helps to treat infertility by increasing the chances of fertilization. It is commonly used for couples with mild to moderate fertility issues. During the IUI procedure, the woman's menstrual cycle is closely monitored to determine the optimal time for insemination. The male partner provides a semen sample, which is processed in the laboratory to separate the healthy sperm from the seminal fluid. The concentrated sperm is then placed into a catheter and inserted into the woman's uterus through the cervix.

This process bypasses potential barriers, such as cervical mucus, and increases the chances of the sperm reaching the fallopian tubes where fertilization occurs. IUI can be performed with the woman's natural menstrual cycle or in conjunction with fertility medications to stimulate the ovaries and increase the number of eggs available for fertilization.

It is important to note that IUI is not suitable for all types of infertility and may not be effective for more severe cases or certain underlying medical conditions. The success rates of IUI vary depending on factors such as the age of the woman, the cause of infertility, and the quality of the sperm used.

Learn more about intrauterine insemination and its role in treating infertility here:

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Answer :

Final answer:

Explanation:

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